【正确答案】Arbitrariness is one design feature of human language, which refers to the fact that the forms of linguistic signs bear no natural relationship to their meaning．

【答案解析】[解析] 本题考查语言的任意性的概念。任意性是语言的本质特征之一，它指语言符号的形式与意义之间没有自然的联系。